The BMW X5M X6M E70 E71 408kW 2011 Complete Engine S63B44A is one of the most powerful and advanced engines in the BMW lineup. Known for its performance, power, and luxury, the S63B44A engine is the heart of the X5M and X6M high-performance SUVs, both part of BMW’s M Performance series. This engine provides exhilarating power and torque, making these vehicles some of the most thrilling SUVs on the market. Let’s take a deep dive into the features of this engine, its benefits, and the models that use it.
BMW S63B44A Engine
The S63B44A engine is a 4.4-liter V8 twin-turbocharged engine developed by BMW’s M Division. It was introduced in the 2011 BMW X5M and X6M models and is designed to deliver top-tier performance while maintaining BMW’s signature driving dynamics. This engine is built to handle high speeds, rapid acceleration, and sustained performance, all while ensuring the vehicle remains comfortable and refined for everyday driving.
The S63B44A engine produces a staggering 408 kW (555 hp) at 6,000 RPM, coupled with a 680 Nm torque at 2,000-5,000 RPM. With twin-turbocharging, this engine provides immediate power delivery and exceptional acceleration, making both the X5M and X6M a joy to drive. The engine’s design and technology ensure that it delivers exceptional performance without sacrificing luxury, which is characteristic of BMW’s high-performance M models.
Key Features of the BMW X5M X6M 408kW 2011 Engine S63B44A
1. Engine Type and Displacement
The BMW S63B44A engine is a 4.4-liter V8 twin-turbocharged unit. The V8 configuration is chosen to balance high performance with smooth power delivery. This engine is part of BMW’s N63 family of engines but has been extensively modified for the M Division to produce much higher power output and to handle the extreme demands of high-performance vehicles.
2. Power Output
At 408 kW (555 hp), the S63B44A engine provides a phenomenal amount of power, enabling the X5M and X6M to go from 0 to 100 km/h in under 5 seconds. This is a staggering figure for an SUV, placing the X5M and X6M in the performance SUV category with some of the fastest acceleration times in the world.
3. Torque Delivery
With a maximum torque output of 680 Nm, the S63B44A engine provides incredible low-end torque. This torque is available across a wide range of RPMs (from 2,000-5,000 RPM), ensuring that the engine remains responsive and powerful even at lower speeds or during demanding driving conditions, such as climbing steep hills or overtaking at high speeds.
4. Turbocharging Technology
The twin-turbocharging system in the S63B44A ensures that there is no turbo lag, which is crucial for maintaining constant power delivery and responsive acceleration. This advanced turbo system helps reduce the time it takes for the engine to reach its optimal power, delivering instant acceleration with minimal lag.
5. Cooling and Performance Features
The S63B44A engine is equipped with advanced intercooling and oil cooling systems to ensure the engine remains at optimal operating temperatures, even under high-performance driving conditions. These cooling systems ensure that the engine can sustain high output without overheating or losing performance during hard driving or track use.
6. Efficiency and Emissions Control
Despite its high-performance nature, the S63B44A engine incorporates efficient fuel injection systems and advanced emissions technologies to meet modern environmental standards. The engine provides impressive fuel efficiency for its class, making it a balanced option between high performance and eco-friendliness.
Compatibility: Which Vehicles Use the BMW S63B44A Engine?
The BMW S63B44A engine is used primarily in the BMW X5M and X6M models, both of which are part of BMW’s M Performance lineup. Below is a table outlining the vehicles that are compatible with the S63B44A engine:
| Vehicle Model | Engine Code | Year Range | Power Output | Torque |
|---|---|---|---|---|
| BMW X5M | S63B44A | 2011-2013 | 408 kW (555 hp) | 680 Nm |
| BMW X6M | S63B44A | 2011-2014 | 408 kW (555 hp) | 680 Nm |
Benefits of Choosing the BMW S63B44A Engine
If you’re considering purchasing a vehicle equipped with the BMW S63B44A engine, or if you’re looking to replace or upgrade your engine, here are several reasons why this engine stands out:
1. Incredible Power and Performance
With 555 hp and 680 Nm of torque, the S63B44A engine delivers performance that is truly in a league of its own. Whether you’re cruising on the highway or pushing the limits of acceleration, this engine offers exceptional power and immediate responsiveness.
2. Smooth and Responsive Driving Experience
The combination of the V8 engine and twin-turbocharging system ensures that the engine delivers a smooth and powerful driving experience. The powerband of this engine ensures that drivers can enjoy maximum performance at both high and low speeds, with seamless acceleration and torque delivery.
3. Track-Ready Performance
The S63B44A engine is designed with high-performance driving in mind. Thanks to its robust construction, oil cooling, and intercooling systems, this engine is capable of sustained high-performance driving, making it an ideal choice for enthusiasts who want to take their X5M or X6M to the track.
4. BMW’s M Engineering Excellence
BMW’s M Division is renowned for its engineering expertise, and the S63B44A engine is a prime example of that excellence. It’s designed to provide top-tier performance while maintaining drivability, reliability, and long-term durability. Whether you’re driving it daily or using it for more spirited drives, this engine will continue to perform at the highest level.
5. Luxury and Comfort
Although the X5M and X6M are performance-focused vehicles, they also offer the luxury and comfort BMW is known for. The S63B44A engine ensures that the high-performance aspects of these SUVs are balanced with a smooth and refined driving experience, ideal for long road trips or daily commutes.
Why Choose the BMW X5M X6M 408kW 2011 Engine S63B44A?
The BMW X5M and X6M equipped with the S63B44A engine are perfect for drivers who want the best of both worlds: luxury and performance. Whether you’re looking for a high-performance SUV for track days or a powerful and comfortable daily driver, the S63B44A engine delivers an unbeatable combination of both. Some key reasons to consider this engine include:
- Unmatched Power: With 555 hp and 680 Nm of torque, the engine offers high performance that is hard to match in the luxury SUV segment.
- Luxury and Comfort: The engine allows for high-performance driving without compromising the ride quality, offering a refined and comfortable experience.
- Track-Ready Performance: Designed to handle the demands of high-performance driving, the S63B44A engine is built for enthusiasts.
- Engine Durability: BMW’s engineering ensures that this engine is built for longevity, making it a great investment for long-term ownership.
